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Finding the Fourth Proportional to 74,571.70, 102,908.97 and 41,037.70

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Solution

The fourth proportional to 74,571.70, 102,908.97 and 41,037.70 is: 56,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.70 : 102,908.97 = 41,037.70 : x
  2. Step 2: Convert to fraction form
    74,571.70/102,908.97 = 41,037.70/x
  3. Step 3: Cross multiply
    74,571.70x = 102,908.97 × 41,037.70
  4. Step 4: Simplify right side
    74,571.70x = 4,223,147,592.85
  5. Step 5: Solve for x
    x = 4,223,147,592.85/74,571.70
  6. Step 6: Final answer
    x = 56,632.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.